/Engine/Source/Runtime/Engine/Classes/GameFramework/LightWeightInstanceManager.h
Returns a handle to a light weight instance representing the same object as InActor and calls destroy on InActor if successful.
[FActorInstanceHandle](API\Runtime\Engine\Engine\FActorInstanceHandle) ConvertActorToLightWeightInstance ( [AActor](API\Runtime\Engine\GameFramework\AActor) * InActor )